题解

#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
while(n!=1){
if(n%2==0){
cout<<n<<"/2="<<n/2<<endl;
n=n/2;
}else if(n%2!=0){
cout<<n<<"3+1="<<n3+1<<endl;
n=3*n+1;
}
}
cout<<"End";
return 0;
}